1. Write a short paragraph about pregnancy that includes the terms ovum, blastocyst, implantation, embryo, fetus, gestation, and parturition.

2. If a pregnant woman had a pack-a-day cigarette habit, what health predictions would you make about her baby? Justify your responses.

3. The sedative thalidomide was used by thousands of pregnant women in the 1960s to alleviate their morning sickness. This drug inhibited normal limb development and resulted in tragically deformed infants with flipperlike arms and legs. At what period of prenatal development did such abnormalities originate?

4. In which stage of labor is the fetus most vulnerable to damage? Justify your answer.

5. Given an XcY male and an XcXc female, construct a Punnett square to show the possible genotypes for color blindness.

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